Sculpey oven-bake 10 color sets contain 2 oz. pieces in assorted colors packs. This workable clay is easy use and maintains detailing staying soft until you bake it. Colors can even be mixed for even wider color possibilities. Bakes to hardness in your home oven at 275 F in 15-20 minutes, depending on the size of the object. Once baked, Sculpey III takes on a matte, bisque-type finish ideal for sculpture, home decor, crafts and more.